package com.example.demo;

import java.util.Objects;

/**
 * @author yishuangshuang
 * @ClassName: NullDemo
 * @Description: TODO
 * @date 2019/1/23 6:46 PM
 */
public class NullDemo {
    public static void main(String[] args) {
        int[][] res = new int[0][];
        System.out.println(Objects.isNull(res));
        System.out.println(res);
    }
}
